Home / 808,664.80-1,212,997.20-684,248.80

Finding the Fourth Proportional to 808,664.80, 1,212,997.20 and 684,248.80

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Solution

The fourth proportional to 808,664.80, 1,212,997.20 and 684,248.80 is: 1,026,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,664.80 : 1,212,997.20 = 684,248.80 : x
  2. Step 2: Convert to fraction form
    808,664.80/1,212,997.20 = 684,248.80/x
  3. Step 3: Cross multiply
    808,664.80x = 1,212,997.20 × 684,248.80
  4. Step 4: Simplify right side
    808,664.80x = 829,991,878,503.36
  5. Step 5: Solve for x
    x = 829,991,878,503.36/808,664.80
  6. Step 6: Final answer
    x = 1,026,373.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.